Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Ronald Lee Mars, MD

Individual provider Internal Medicine Physician · NPI 1386613602

Dr. Ronald Lee Mars, MD is a Nephrology in Jacksonville, Florida. Graduated from St Louis College of Physicians and Surgeons in 1972, 54 years ago. Practices with University of Florida Jacksonville Physicians, Inc, a 903-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
54
Trained at
St Louis College of Physicians and Surgeons
Licensed in
FL
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

655 W 8th St Ufjp Nephrology
Jacksonville, FL 32209-6511
Phone: (904) 244-4370
Fax: (904) 244-3425
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence ME59009 (FL)
Internal Medicine Physician Taxonomy 207R00000X · Licence ME59009 (FL)

Record details

NPI number1386613602
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 17, 2006
Last updated in NPPESDecember 13, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Medical schoolST. LOUIS COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1972 (54 years in practice)
Group practice University Of Florida Jacksonville Physicians, Inc. — 903 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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